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jerusalem artichoke with powdery mildew.

 
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My lush gargantuan stand of jerusalem artichoke has been almost completely inundated with powdery mildew. Has anyone dealt with this already? What worked? Can you still eat the chokes? Is there a simple way to determine the specific fugus it is? Do the plants need to be bagged and chucked when I take them out or can they be composted? What can I do to prevent a repeat next season? The butterflies are loving the flowers this week, and the rest of the plant is like an army of blech.  Any info and experience you have will be a great help. Thank you.     Ian
 
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In my experience, the powdery mildew has no effect on the tubers.  I'd let the butterflies enjoy what they can while they have the chance. When the stalks are dying back naturally later in the fall, I cut them down and use them as mulch (chop and drop), then I harvest the tubers as I need them.  I've never seen any bad result of having the mildew on the plants.  Sunchokes are so prolific that I can't imagine too many things aside from rodents being a problem for them.

Good luck
 
Ian Sullivan
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Thank you for responding to my post. I'm somewhat clueless but determined. Have a beautiful autumn.
 
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Ian Sullivan wrote:Thank you for responding to my post. I'm somewhat clueless but determined. Have a beautiful autumn.



Thank you.

keep at it and before you know it, you'll be up to your eyeballs in food, medicine, fiber and who knows what else.  

Best of luck
 
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Hey,my sunchokes have this too.
I wasn't worried about the rootd, but my wife is scared to feed them to the bunnies.
The  powdery mildew and sometimes little black bugs means most if my sunchoke greens are going to waste.
Any experience feeding powdery mildew affected vegetation to animals?
 
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